2489060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 6241536

約数和(自身を除く): 3752476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 773, 805, 1546, 1610, 3092, 3220, 3865, 5411, 7730, 10822, 15460, 17779, 21644, 27055, 35558, 54110, 71116, 88895, 108220, 124453, 177790, 248906, 355580, 497812, 622265, 1244530, 2489060]

約数ペア:

[(1, 2489060), (2, 1244530), (4, 622265), (5, 497812), (7, 355580), (10, 248906), (14, 177790), (20, 124453), (23, 108220), (28, 88895), (35, 71116), (46, 54110), (70, 35558), (92, 27055), (115, 21644), (140, 17779), (161, 15460), (230, 10822), (322, 7730), (460, 5411), (644, 3865), (773, 3220), (805, 3092), (1546, 1610)]